YOKOGAWA AQ2200-111 DFB-LD MODULE

The AQ2200-111 is a DFB-LD module for the AQ2200 series.  It can be used in a wide range of applications, including tests on various optical characteristics in optical fiber amplifiers, and in creating a virtual network on an optical fiber network.

The AQ2200-111 can operate at wavelengths ranging from 1524.111 nm to 1620.500 nm, as specified in the ITU-T grid, and also at 1310 nm and 1490 nm. In addition, options are available for high optical output (20 mW), PMF, and an external modulation function.

Look for high-stability and high output from the AQ2200:

• Wavelength: 1310 nm, 1550 nm, C-band, L-band
• High-stability optical output: ±0.005 dB
• High-stability output wavelength: ±0.005 nm
• High SMSR
• Configure the desired measurement system by combining AQ2200 series modules with Yokogawa optical communications measuring instruments.

High output, high SMSR

An option is available to provide high output (20 mW). In addition, the AQ2200-111 provides a high SMSR value of 45 dB (typical), making it an ideal light multi-wavelength light source for WDM system test.

High-stability optical output

The AQ2200-111's optical output port consists of an angled PC connector, and it contains an internal isolator to suppress reflective light. This design provides excellent level stability of ±0.005 dB over a 15-minute period.

Optical output level adjustment

Optical output can be adjusted in the range of 0 to 10 dB (in steps of 0.01 dB) while maintaining a fixed wavelength. Levels can be adjusted between WDM signal channels.

Coherence control function

The DFB laser's spectral width can be set to WIDE or NARROW. During loss measurements, the WIDE setting suppresses interference and makes it easier to obtain accurate measurements.

High wavelength stability

Wavelength stability of ±0.005 nm or less over a 15-minutes period is achieved using temperature control. The wavelength can be adjusted in a 1.6-nm range.

Example of measurement applications:

• Light source for measuring optical fiber amplifiers (EDFA)
• Light source for evaluating B-PON systems at 1310 nm, 1490 nm, and 1550 nm
• Stable light source for PDL measurements
• Light source for modulation (LN modulator) during BERT

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